The WVI-881.5M-25BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 869 to 894 MHz, Average Power Forward 250 W, Average Power Reverse 60 W, Insertion Loss 0.3 to 0.35 dB, Isolation 23 to 25 dB. Tags: Drop-In, Drop-In Isolator. More details for WVI-881.5M-25BW01 can be seen below.